We're going to solve 1245 multiplied by 4065
1245 × 4065 = 4065 × (1245)
+ 4065 × 5 that is equal 20325
+ 4065 × 40 yielding 162600
+ 4065 × 200 resulting in 813000
+ 4065 × 1000 what gives us 4065000

= 5060925
